Mother-in-law's healing

After dating for about a year, Rumiko happily decided to get married. She lives with her husband Kenta and son-in-law Mansaku. Mansaku, who is a bit of an otaku and a bit of a motherfucker, was very happy that Rumiko became his new mother. One night, Mansaku takes a peek at the passionate and intense sex between his father and Rumiko. My beloved mother-in-law is in a state of disrepair... Mansaku indulges in masturbation thinking of Rumiko's naked body. Rumiko takes a peek at her son-in-law...